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authorUwe Kleine-König2023-11-23 17:56:29 +0100
committerLee Jones2023-12-07 13:50:26 +0000
commitfc2db185632d310d96f8d61f9f8cd4610bca790a (patch)
tree803702fee66ed1ceb110ef1ea788a30eac9cec01 /drivers/mfd
parent6d461d3c68fb994d56a41b7280aada742dc71cea (diff)
mfd: ab8500-sysctrl: Convert to platform remove callback returning void
The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20231123165627.492259-2-u.kleine-koenig@pengutronix.de Signed-off-by: Lee Jones <lee@kernel.org>
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/ab8500-sysctrl.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/mfd/ab8500-sysctrl.c b/drivers/mfd/ab8500-sysctrl.c
index eeeb62415f53..ce81fcb785d0 100644
--- a/drivers/mfd/ab8500-sysctrl.c
+++ b/drivers/mfd/ab8500-sysctrl.c
@@ -140,14 +140,12 @@ static int ab8500_sysctrl_probe(struct platform_device *pdev)
return 0;
}
-static int ab8500_sysctrl_remove(struct platform_device *pdev)
+static void ab8500_sysctrl_remove(struct platform_device *pdev)
{
sysctrl_dev = NULL;
if (pm_power_off == ab8500_power_off)
pm_power_off = NULL;
-
- return 0;
}
static const struct of_device_id ab8500_sysctrl_match[] = {
@@ -161,7 +159,7 @@ static struct platform_driver ab8500_sysctrl_driver = {
.of_match_table = ab8500_sysctrl_match,
},
.probe = ab8500_sysctrl_probe,
- .remove = ab8500_sysctrl_remove,
+ .remove_new = ab8500_sysctrl_remove,
};
static int __init ab8500_sysctrl_init(void)